As with any other activity, using a bicycle in winter can still be done when preparations are made.
In Canada, there are mixed feelings about whether a bicycle is an appropriate transport choice in winter. Responses to this idea (as of the time of this writing) often include statements along the lines of “you can’t ride in the cold” or “you can’t ride in the snow”.
The weather has been cooler. The days shorter. Does winter mean that bicycles can no longer useful transport tools?
Not at all.
As with any other winter activity, using a bicycle can still be done when preparations are made.